351916728223 has 16 divisors (see below), whose sum is σ = 357717975552. Its totient is φ = 346154472000.

The previous prime is 351916728217. The next prime is 351916728259. The reversal of 351916728223 is 322827619153.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-351916728223 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (351916728203) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38705908 + ... + 38714998.

It is an arithmetic number, because the mean of its divisors is an integer number (22357373472).

Almost surely, 2^351916728223 is an apocalyptic number.

351916728223 is a deficient number, since it is larger than the sum of its proper divisors (5801247329).

351916728223 is a wasteful number, since it uses less digits than its factorization.

351916728223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11166.

The product of its digits is 1088640, while the sum is 49.

The spelling of 351916728223 in words is "three hundred fifty-one billion, nine hundred sixteen million, seven hundred twenty-eight thousand, two hundred twenty-three".